/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/Attic/tif_msdos.c,v 1.3.2.1 2010-06-08 18:50:42 bfriesen Exp $ */

/*

 * Copyright (c) 1988-1997 Sam Leffler

 * Copyright (c) 1991-1997 Silicon Graphics, Inc.

 *

 * Permission to use, copy, modify, distribute, and sell this software and 

 * its documentation for any purpose is hereby granted without fee, provided

 * that (i) the above copyright notices and this permission notice appear in

 * all copies of the software and related documentation, and (ii) the names of

 * Sam Leffler and Silicon Graphics may not be used in any advertising or

 * publicity relating to the software without the specific, prior written

 * permission of Sam Leffler and Silicon Graphics.

 * 

 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 

 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 

 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  

 * 

 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR

 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,

 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,

 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 

 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 

 * OF THIS SOFTWARE.

 */

/*

 * TIFF Library MSDOS-specific Routines.

 */

#if defined(__WATCOMC__) || defined(__BORLANDC__) || defined(_MSC_VER)

#include <io.h>		/* for open, close, etc. function prototypes */

#include <stdio.h>

#endif

#include "tiffiop.h"

static tsize_t 

_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)

{

	return (read((int) fd, buf, size));

}

static tsize_t

_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)

{

	return (write((int) fd, buf, size));

}

static toff_t

_tiffSeekProc(thandle_t fd, toff_t off, int whence)

{

	return (lseek((int) fd, (off_t) off, whence));

}

static int

_tiffCloseProc(thandle_t fd)

{

	return (close((int) fd));

}

#include <sys/stat.h>

static toff_t

_tiffSizeProc(thandle_t fd)

{

	struct stat sb;

	return (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);

}

static int

_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)

{

	return (0);

}

static void

_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)

{

}

/*

 * Open a TIFF file descriptor for read/writing.

 */

TIFF*

TIFFFdOpen(int fd, const char* name, const char* mode)

{

	TIFF* tif;

	tif = TIFFClientOpen(name, mode,

	    (void*) fd,

	    _tiffReadProc, _tiffWriteProc, _tiffSeekProc, _tiffCloseProc,

	    _tiffSizeProc, _tiffMapProc, _tiffUnmapProc);

	if (tif)

		tif->tif_fd = fd;

	return (tif);

}

/*

 * Open a TIFF file for read/writing.

 */

TIFF*

TIFFOpen(const char* name, const char* mode)

{

	static const char module[] = "TIFFOpen";

	int m, fd;

        TIFF *ret;

	m = _TIFFgetMode(mode, module);

	if (m == -1)

		return ((TIFF*)0);

	fd = open(name, m|O_BINARY, 0666);

	if (fd < 0) {

		TIFFErrorExt(0, module, "%s: Cannot open", name);

		return ((TIFF*)0);

	}

	return (TIFFFdOpen(fd, name, mode));

        ret = TIFFFdOpen(fd, name, mode);

        if (ret == NULL) close(fd);

        return ret;

}

#ifdef __GNUC__

extern	char* malloc();

extern	char* realloc();

#else

#include <malloc.h>

#endif

tdata_t

_TIFFmalloc(tsize_t s)

{

	return (malloc((size_t) s));

}

void

_TIFFfree(tdata_t p)

{

	free(p);

}

tdata_t

_TIFFrealloc(tdata_t p, tsize_t s)

{

	return (realloc(p, (size_t) s));

}

void

_TIFFmemset(tdata_t p, int v, tsize_t c)

{

	memset(p, v, (size_t) c);

}

void

_TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)

{

	memcpy(d, s, (size_t) c);

}

int

_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)

{

	return (memcmp(p1, p2, (size_t) c));

}

static void

msdosWarningHandler(const char* module, const char* fmt, va_list ap)

{

	if (module != NULL)

		fprintf(stderr, "%s: ", module);

	fprintf(stderr, "Warning, ");

	vfprintf(stderr, fmt, ap);

	fprintf(stderr, ".\n");

}

TIFFErrorHandler _TIFFwarningHandler = msdosWarningHandler;

static void

msdosErrorHandler(const char* module, const char* fmt, va_list ap)

{

	if (module != NULL)

		fprintf(stderr, "%s: ", module);

	vfprintf(stderr, fmt, ap);

	fprintf(stderr, ".\n");

}

TIFFErrorHandler _TIFFerrorHandler = msdosErrorHandler;

/*

 * Local Variables:

 * mode: c

 * c-basic-offset: 8

 * fill-column: 78

 * End:

 */